00324nam a2200133Ia 4500020001800000082001600018100002600034245003000060250001200090260004400102300000900146650001800155700001700173  a9780521718172  a511.6 LIN/C  a Lint, Jacobus H. Van 0aA Course in Combinatorics  a2ND ED.  bCambridge University PressaDelhic2017  a602p  aCombinatorics  aWilson, R. M